{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{3}{c}}
\toprule
            &\multicolumn{1}{c}{Party wins, t+1}&\multicolumn{1}{c}{Party vote share, t+1}&\multicolumn{1}{c}{\shortstack{Orient. nb. other\\cand., t+1}}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}
            &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         \\
\midrule
Upper bound &       0.156\sym{***}&       0.069\sym{***}&      -0.107\sym{*}  \\
            &     (0.029)         &     (0.010)         &     (0.056)         \\
\addlinespace
Lower bound &       0.128\sym{***}&       0.051\sym{***}&      -0.147\sym{***}\\
            &     (0.033)         &     (0.007)         &     (0.054)         \\
\midrule
Bootstrap replications&          10         &          10         &          10         \\
Mean, left of threshold&       0.336         &       0.285         &       1.403         \\
\bottomrule
\end{tabular}
}
